102123423221023 has 2 divisors, whose sum is σ = 102123423221024. Its totient is φ = 102123423221022.

The previous prime is 102123423221011. The next prime is 102123423221059. The reversal of 102123423221023 is 320122324321201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102123423221023 - 2⁵ = 102123423220991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102123423220982 and 102123423221000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102123420221023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51061711610511 + 51061711610512.

It is an arithmetic number, because the mean of its divisors is an integer number (51061711610512).

Almost surely, 2^{102123423221023} is an apocalyptic number.

102123423221023 is a deficient number, since it is larger than the sum of its proper divisors (1).

102123423221023 is an equidigital number, since it uses as much as digits as its factorization.

102123423221023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 102123423221023 its reverse (320122324321201), we get a palindrome (422245747542224).

The spelling of 102123423221023 in words is "one hundred two trillion, one hundred twenty-three billion, four hundred twenty-three million, two hundred twenty-one thousand, twenty-three".